Home / 21,546.45-32,319.68-6,756.50

Finding the Fourth Proportional to 21,546.45, 32,319.68 and 6,756.50

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Solution

The fourth proportional to 21,546.45, 32,319.68 and 6,756.50 is: 10,134.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,546.45 : 32,319.68 = 6,756.50 : x
  2. Step 2: Convert to fraction form
    21,546.45/32,319.68 = 6,756.50/x
  3. Step 3: Cross multiply
    21,546.45x = 32,319.68 × 6,756.50
  4. Step 4: Simplify right side
    21,546.45x = 218,367,722.54
  5. Step 5: Solve for x
    x = 218,367,722.54/21,546.45
  6. Step 6: Final answer
    x = 10,134.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.